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            Import ENVISAT
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<h3>Import ENVISAT (ASAR, MERIS, AATSR) Product</h3>

<p class="MsoNormal">The Advanced Synthetic Aperture Radar (ASAR) onboard the
ENVISAT satellite was a global mapping SAR mission of ESA.</p>


<p class="MsoNormal"><b style="">Operational: </b>2002-03-01
to 2012-04-08</p>


<p class="MsoNormal"><b style="">Frequency Band:</b>
C-band</p>


<p class="MsoNormal"><b style="">Acquisition Modes:</b>
</p>


<ul>
  <li><!--[if !supportLists]--><span style="font-family: Symbol;"><span style=""><span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"> 
</span></span></span><!--[endif]-->Image Mode (IM), </li>
  <li><!--[if !supportLists]--><span style="font-family: Symbol;"><span style=""><span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"> 
</span></span></span><!--[endif]-->Alternating Polarization (AP), </li>
  <li><!--[if !supportLists]--><span style="font-family: Symbol;"><span style=""><span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"> 
</span></span></span><!--[endif]-->Global Monitoring (GM), </li>
  <li><!--[if !supportLists]--><span style="font-family: Symbol;"><span style=""><span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"> 
</span></span></span><!--[endif]-->Wide Swath (WS),</li>
  <li><!--[if !supportLists]--><span style="font-family: Symbol;"><span style=""><span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"> 
</span></span></span><!--[endif]-->Wave (WV)</li>
</ul>


<p class="MsoNormal"><b style="">Polarizations:</b> All
modes are single pol except AP mode which offers non-coherent dual pol.</p>


<p class="MsoNormal"><b style="">Opening products:</b>
Products can be opened by selecting the *.N1 file. Opening zipped products
(*.zip) directly is also supported.</p>












<h3>Supported ENVISAT ASAR Products</h3>
<table border="1" cellpadding="4" cellspacing="0" width="100%">
    <tbody>
    <tr>
        <td class="TableHeadingColor" bgcolor="#ccccff"><font size="+1"> Product Type</font></td>
        <td class="TableHeadingColor" bgcolor="#ccccff"><font size="+1"> Description</font></td>
    </tr>
    <tr>
        <td><code>ASA_APG_1P</code></td>
        <td>ASAR Alternating Polarization Ellipsoid Geocoded Image</td>
    </tr>
    <tr>
        <td><code>ASA_APM_1P</code></td>
        <td>ASAR Alternating Polarization Medium Resolution Image
            product
        </td>
    </tr>
    <tr>
        <td><code>ASA_APP_1P</code></td>
        <td>ASAR Alternating Polarization Mode Precision Image</td>
    </tr>
    <tr>
        <td><code>ASA_APS_1P</code></td>
        <td>ASAR Alternating Polarization Mode Single Look Complex</td>
    </tr>
    <tr>
        <td><code>ASA_AP__BP</code></td>
        <td>ASAR Alternating Polarization Browse Product</td>
    </tr>
    <tr>
        <td><code>ASA_GM1_1P</code></td>
        <td>ASAR Global Monitoring Mode Image</td>
    </tr>
    <tr>
        <td><code>ASA_GM__BP</code></td>
        <td>ASAR Global Monitoring Mode Browse Product</td>
    </tr>
    <tr>
        <td><code>ASA_IMG_1P</code></td>
        <td>ASAR Image Mode Ellipsoid Geocoded Image</td>
    </tr>
    <tr>
        <td><code>ASA_IMM_1P</code></td>
        <td>ASAR Image Mode Medium Resolution Image</td>
    </tr>
    <tr>
        <td><code>ASA_IMP_1P</code></td>
        <td>ASAR Image Mode Precision Image</td>
    </tr>
    <tr>
        <td><code>ASA_IMS_1P</code></td>
        <td>ASAR Image Mode Single Look Complex</td>
    </tr>
    <tr>
        <td><code>ASA_IM__BP</code></td>
        <td>ASAR Image Mode Browse Product</td>
    </tr>
    <tr>
        <td><code>ASA_WSS_1P</code></td>
        <td>ASAR Wide Swath&nbsp;Single Look Complex</td>
    </tr>
    <tr>
        <td><code>ASA_WSM_1P</code></td>
        <td>ASAR Wide Swath Medium Resolution Image</td>
    </tr>
    <tr>
        <td><code>ASA_WS__BP</code></td>
        <td>ASAR Wide Swath Mode Browse Image</td>
    </tr>
    <tr>
        <td><code>ASA_WVI_1P</code></td>
        <td>ASAR Wave Mode SLC Imagettes</td>
    </tr>
    <tr>
        <td><code>ASA_WVS_1P</code></td>
        <td>ASAR Wave Mode Cross Spectra</td>
    </tr>
    <tr>
        <td><code>ASA_WVW_2P</code></td>
        <td>ASAR Wave Mode Wave Spectra</td>
    </tr>
    <tr>
        <td><code>ASA_XCA_AX</code></td>
        <td>ASAR External Calibration File</td>
    </tr>
    </tbody>
</table>
<h3>Supported ENVISAT MERIS Products</h3>
<table border="1" cellpadding="4" cellspacing="0" width="100%">
    <tbody>
    <tr>
        <td class="TableHeadingColor" bgcolor="#ccccff"><font size="+1"> Product Type</font></td>
        <td class="TableHeadingColor" bgcolor="#ccccff"><font size="+1"> Description</font></td>
    </tr>
    <tr>
        <td><code>MER_RR__1P</code></td>
        <td>MERIS Reduced Resolution Geolocated and Calibrated TOA
            Radiance Product
        </td>
    </tr>
    <tr>
        <td><code>MER_RR__1P</code></td>
        <td>MERIS Reduced Resolution Geolocated and Calibrated TOA
            Radiance Product<br>
            <i>
                <small>Valid until 2002-12</small>
            </i></td>
    </tr>
    <tr>
        <td><code>MER_FR__1P</code></td>
        <td>MERIS Full Resolution Geolocated and Calibrated TOA
            Radiance Product
        </td>
    </tr>
    <tr>
        <td><code>MER_FR__1P</code></td>
        <td>MERIS Full Resolution Geolocated and Calibrated TOA
            Radiance Product<br>
            <i>
                <small>Valid until 2002-12</small>
            </i></td>
    </tr>
    <tr>
        <td><code>MER_FRG__1P</code></td>
        <td>MERIS Full Resolution Geo/Ortho-corrected TOA Radiance</td>
    </tr>
    <tr>
        <td><code>MER_FSG__1P</code></td>
        <td>MERIS Full Resolution Full Swath Geo/Ortho-corrected
            TOA Radiance
        </td>
    </tr>
    <tr>
        <td><code>MER_RR__2P</code></td>
        <td>MERIS Reduced Resolution Geophysical Product</td>
    </tr>
    <tr>
        <td><code>MER_RR__2P</code></td>
        <td>MERIS Reduced Resolution Geophysical Product<br>
            <i>
                <small>Valid until 2004-07</small>
            </i></td>
    </tr>
    <tr>
        <td><code>MER_FR__2P</code></td>
        <td>MERIS Full Resolution Geophysical Product</td>
    </tr>
    <tr>
        <td><code>MER_FR__2P</code></td>
        <td>MERIS Full Resolution Geophysical Product<br>
            <i>
                <small>Valid until 2004-07</small>
            </i></td>
    </tr>
    <tr>
        <td><code>MER_LRC_2P</code></td>
        <td>MERIS Extracted Cloud Thickness and Water Vapour
            Product for Meteo Users
        </td>
    </tr>
    <tr>
        <td><code>MER_RRC_2P</code></td>
        <td>MERIS Extracted Cloud Thickness and Water Vapour Product</td>
    </tr>
    <tr>
        <td><code>MER_RRV_2P</code></td>
        <td>MERIS Extracted Vegetation Indices Product</td>
    </tr>
    </tbody>
</table>
<h3>Supported ENVISAT AATSR Products</h3>
<table border="1" cellpadding="4" cellspacing="0" width="100%">
    <tbody>
    <tr>
        <td class="TableHeadingColor" bgcolor="#ccccff"><font size="+1"> Product Type</font></td>
        <td class="TableHeadingColor" bgcolor="#ccccff"><font size="+1"> Description</font></td>
    </tr>
    <tr>
        <td><code>ATS_AR__2P</code></td>
        <td>AATSR averaged geophysical product</td>
    </tr>
    <tr>
        <td><code>ATS_MET_2P</code></td>
        <td>AATSR Spatially Averaged Sea Surface Temperature for
            Meteo Users
        </td>
    </tr>
    <tr>
        <td><code>ATS_NR__2P</code></td>
        <td>AATSR geophysical product (full resolution)</td>
    </tr>
    <tr>
        <td><code>ATS_TOA_1P</code></td>
        <td>AATSR Gridded brightness temperature and reflectance</td>
    </tr>
    </tbody>
</table><br>


<p class="MsoNormal"><b style="">Further Information: </b></p>


<p class="MsoNormal"><a href="https://earth.esa.int/pub/ESA_DOC/ENVISAT/ASAR/asar.ProductHandbook.2_2.pdf">https://earth.esa.int/pub/ESA_DOC/ENVISAT/ASAR/asar.ProductHandbook.2_2.pdf</a><b style=""></b></p>


<p class="MsoNormal"><a href="https://directory.eoportal.org/web/eoportal/satellite-missions/e/envisat">https://directory.eoportal.org/web/eoportal/satellite-missions/e/envisat</a></p>



<p></p>

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